Knowing The Mentalist‘s fate was in flux, show boss Bruno Heller told TVLine that the May 18 episode “was written and designed to be a suitable big, happy romantic send-off for the series if that’s what happens — but it also opens a new chapter, if that is not the case.” Well, it’s not the case!

That said, Tunney shared that the finale “is going to make a lot of people really happy, and I think it’s going to make some people angry — and that’s the most you can hope for…. I don’t think anyone will feel in the middle of the road about it.”

Watch an exclusive sneak peek from this Sunday’s penultimate Season 6 episode: